Remove "push" button from service worker internals UI.

content/browser/service_worker/service_worker_internals_ui.h

Index: content/browser/service_worker/service_worker_internals_ui.h
diff --git a/content/browser/service_worker/service_worker_internals_ui.h b/content/browser/service_worker/service_worker_internals_ui.h
index bc1c5b935118762c21ee6a60ff5406a980cf9b05..b04df03aab929a86da471eb126c03117efb9f0ad 100644
--- a/content/browser/service_worker/service_worker_internals_ui.h
+++ b/content/browser/service_worker/service_worker_internals_ui.h
@@ -52,7 +52,6 @@ class ServiceWorkerInternalsUI
   void GetAllRegistrations(const base::ListValue* args);
   void CallServiceWorkerVersionMethod(ServiceWorkerVersionMethod method,
                                       const base::ListValue* args);
-  void DispatchPushEvent(const base::ListValue* args);
   void InspectWorker(const base::ListValue* args);
   void Unregister(const base::ListValue* args);
   void StartWorker(const base::ListValue* args);